胤: Descendants, heirs, succession. In names, it often signifies the blessings bestowed upon future generations, representing profound fortune and benevolence. It not only denotes abundant personal prosperity but also the ability to extend these blessings to one's family lineage.

延: "To extend, to introduce, and to facilitate the attainment of grand achievements, this character is auspicious for garnering fame, fortune, and good luck."